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Questions about early ignition/instrument key

Discussion in 'Vintage (thru 365 GTC4)' started by JAM1, Apr 16, 2025.

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  1. JAM1

    JAM1 F1 Veteran
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    Oct 22, 2004
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    Joe
    #1 JAM1, Apr 16, 2025
    My series I Mondial 500 came with a single FIAT key (top one below). I’d like to have a spare or two. How do they “size” these, or put differently, how do you know what you can use as a replacement? I see some different keys made by COBO, MAGNETI MARELLI, etc. How do I pick the right fit? Also, what what it have come with originally? Some of these photos I’ve found seem to have Bakelite on them and others don’t so I’m curious to know the differences.

    Thanks!

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  2. Ney

    Ney F1 Veteran
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    Apr 20, 2004
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    #2 Ney, Apr 16, 2025
    They were a standard universal military key. The bottom key by Magneti Marelli is the one most often seen on early Ferrari cars. A 12 penny nail will work in a pinch.
     
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  3. turbo-joe

    turbo-joe F1 Veteran

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    #3 turbo-joe, Apr 16, 2025
    bosch had the same for agriculture machines, but there are some little differences in diameter and in form of the ball at the end
     
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  4. emcauto

    emcauto Karting

    Jul 1, 2009
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    #4 emcauto, May 9, 2025
    They look like old vintage tractor keys ................google amazon has a universal set. vintage tractors keys which needs to be measured I know fiat made tractors back in the day Its been long time since ive seen them . Need to do some digging?
     
  5. TTR

    TTR F1 Veteran
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    #5 TTR, May 9, 2025
    I would think any fabricator/machinist worth his/her file set or a lathe should be able to make a spare for something like that in an hour or so, especially if no brand imprint is needed.
     
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  6. emcauto

    emcauto Karting

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    #6 emcauto, May 10, 2025
    Last edited: May 10, 2025
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    If I can recall they were attached to head plate of the key. Same as the above picture The stem was cut and attached Finding out the orginal set that was used would be interesting .

    The above picture is a universal vintage tractor key
     
  7. emcauto

    emcauto Karting

    Jul 1, 2009
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    #7 emcauto, May 10, 2025

    rubino classic cars has the same key not sure If i can post a link. Make MAGNETI MARELLI ""message me I can provide link and picture
     

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